Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

5
4
8
9
6
1
3
7
2
9
7
6
5
2
3
4
8
1
3
1
2
       
       
7  8   
4
       
       
7  8   
6
9
5
7
5
9
1
2
3
4
8
6
8
3
4
6
9
5
2
1
7
1
2
4
       
4      
7  8   
6
       
4      
7  8   
9
5
3
2
3
4
6
1
5
8
9
7
7
6
9
3
4
8
1
5
2
5
8
1
2
7
9
6
3
6

 

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